build.yml

# .github/workflows/build.yml
name: Build

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod

      - name: Build
        run: go build -v ./...

      - name: Test with Coverage
        run: |
          go test -v -coverprofile=coverage.out ./...
          go tool cover -html=coverage.out -o coverage.html
          go tool cover -func=coverage.out > coverage.txt

      - name: Upload Coverage Artifacts
        uses: actions/upload-artifact@v4
        with:
          name: coverage-report
          path: |
            coverage.html
            coverage.txt

      - name: Post Coverage Summary
        run: |
          {
            echo "### Code Coverage Report"
            echo '```'
            cat coverage.txt
            echo '```'
          } >> "$GITHUB_STEP_SUMMARY"